11234244021 has 64 divisors (see below), whose sum is σ = 20171483136. Its totient is φ = 5371027200.

The previous prime is 11234243989. The next prime is 11234244023. The reversal of 11234244021 is 12044243211.

It is not a de Polignac number, because 11234244021 - 2⁵ = 11234243989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11234243982 and 11234244000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234244023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1036651 + ... + 1047431.

It is an arithmetic number, because the mean of its divisors is an integer number (315179424).

Almost surely, 2^11234244021 is an apocalyptic number.

11234244021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11234244021 is a deficient number, since it is larger than the sum of its proper divisors (8937239115).

11234244021 is a wasteful number, since it uses less digits than its factorization.

11234244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11162.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11234244021 its reverse (12044243211), we get a palindrome (23278487232).

It can be divided in two parts, 11234 and 244021, that added together give a triangular number (255255 = T₇₁₄).

The spelling of 11234244021 in words is "eleven billion, two hundred thirty-four million, two hundred forty-four thousand, twenty-one".